相信大家在CAN Msg或者ETH PDU中经常会看到Checksum这种信号。提到Checksum，就必须要说明一下CRC校验，很多工程师会概念混淆，认为两者是同一个东西，实则它们有很大的区别。 CRC校验：循环冗余检查（CRC）是一种数据传输检错功能，对数据进行多项式计算，并将 ...

怎么办呢？ 首先，要增加CAN校验功能，让接收方意识到，是车上的合法控制器发的，还是外部黑客发进来的。 自定义CheckSum就应运而生了！ 有别于CAN链路层自带的CRC，这个自定义CheckSum位于数据区，它可以对数据区的其他字节计算，生成一个值，放在报文里。

相信大家在CAN Msg或者ETH PDU中经常会看到Checksum这种信号。提到Checksum，就必须要说明一下CRC校验，很多工程师会概念混淆，认为两者是同一个东西，实则它们有很大的区别。 CRC与Checksum区别CtEednc 相信大家在CAN Msg或者ETH PDU中经常会看到Checksum这种信号。

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Did you download a large file? Or do you have a file that you have a suspicion about? The best way to ensure the file comes from a verified source is by measuring its checksum. A checksum is almost ...